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Define Serializable schedule
Serializable schedule: An interleaved schedule of much more than one transaction is known as a serializable schedule, if it is equal to some serial schedule of those transactions.
A Distributed Transaction Let us demonstrate the concept of a distributed transaction by considering a banking system having of three branches located in 3 different cities. Ev
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
Have database built but having problems with some questions that go with the database
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
Update or Modify operation alters the existing values. If these operations alter the value that is the foreign key also, the only check need is the similar as that of the Insert op
Explain the use of constraints in functional model with suitable example. A constraint shows relationship between two objects at same time, or among various values of the sam
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
Which data type can store unstructured data? Raw data type can store unstructured data.
Reflects organisational structure: Many organizations are distributed over various locations. If an organisation has many offices in dissimilar cities, databases used in such an ap
External failure : A failure can also result because of an external cause, such as earthquakes, fire, floods, etc. The database must be duly backed up to avoid troubles occurring d
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